:root{--primary-color:#0046ad;--secondary-color:#007a33;--accent-color:#da291c;--page-bg:#f4f6f9;--surface:#ffffff;--surface-strong:#0f172a;--text-main:#1e293b;--text-muted:#64748b;--border:#e2e8f0;--card-shadow:0 4px 20px rgba(0,0,0,0.05);--transition-smooth:all 0.3s cubic-bezier(0.4,0,0.2,1)}body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background-color:var(--page-bg);color:var(--text-main);overflow-x:hidden;line-height:1.6}.navbar{backdrop-filter:blur(10px);background-color:rgba(255,255,255,0.95) !important;border-bottom:1px solid var(--border);transition:var(--transition-smooth)}.navbar-brand img{max-height:40px;object-fit:contain}.nav-link{font-weight:500;color:var(--text-main) !important;transition:var(--transition-smooth);padding:0.5rem 1rem !important;border-radius:6px}.nav-link:hover{color:var(--primary-color) !important;background-color:rgba(0,70,173,0.05)}.hero-section{padding:6rem 0 4rem 0;background:linear-gradient(135deg,#e0f2fe 0%,#f0fdf4 100%);border-bottom:1px solid var(--border)}.hero-title-box h1{font-size:2.75rem;font-weight:800;line-height:1.25;color:var(--surface-strong)}.hero-image-wrapper{position:relative;border-radius:12px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,0.1)}.hero-badge{display:inline-block;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));color:white;padding:0.35rem 1rem;border-radius:50px;font-size:0.875rem;font-weight:600;margin-bottom:1.25rem}.custom-card{background-color:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--card-shadow);transition:var(--transition-smooth);height:100%}.custom-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(0,0,0,0.08)}.group-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}.group-card{background:#fff;border-radius:12px;border-top:4px solid var(--primary-color);box-shadow:var(--card-shadow)}.group-card.mexico-theme{border-top-color:var(--secondary-color)}.group-card.canada-theme{border-top-color:var(--accent-color)}.group-table th{background-color:#f8fafc;font-size:0.75rem;text-transform:uppercase;color:var(--text-muted)}.match-bar{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:1.25rem;margin-bottom:1rem;display:flex;align-items:center;justify-content:space-between;transition:var(--transition-smooth)}.match-bar:hover{border-color:var(--primary-color)}.team-flag-placeholder{width:36px;height:24px;background-color:#e2e8f0;display:inline-block;vertical-align:middle;border-radius:4px;font-size:10px;text-align:center;line-height:24px;color:#475569;font-weight:bold}.table-responsive-custom{overflow-x:auto;-webkit-overflow-scrolling:touch}.guide-accent-box{background-color:var(--surface-strong);color:#ffffff;border-radius:12px;padding:2.5rem}.accordion-custom-item{background-color:var(--surface);border:1px solid var(--border);border-radius:8px;margin-bottom:0.75rem;overflow:hidden}.accordion-custom-btn{width:100%;padding:1.25rem;text-align:left;background:none;border:none;font-weight:600;color:var(--text-main);display:flex;justify-content:space-between;align-items:center}.accordion-custom-content{padding:0 1.25rem 1.25rem 1.25rem;color:var(--text-muted);display:none}.timeline-container{position:relative;padding-left:2rem;border-left:2px solid var(--border)}.timeline-item{position:relative;margin-bottom:2rem}.timeline-item::before{content:'';position:absolute;left:calc(-2rem - 6px);top:6px;width:12px;height:12px;border-radius:50%;background-color:var(--primary-color);border:2px solid #fff}.btn-brand-primary{background-color:var(--primary-color);color:#ffffff !important;font-weight:600;border-radius:8px;padding:0.625rem 1.5rem;border:none;transition:var(--transition-smooth)}.btn-brand-primary:hover{background-color:#003685;box-shadow:0 4px 12px rgba(0,70,173,0.3)}.btn-brand-secondary{background-color:var(--secondary-color);color:#ffffff !important;font-weight:600;border-radius:8px;padding:0.625rem 1.5rem;border:none;transition:var(--transition-smooth)}.btn-brand-secondary:hover{background-color:#005f27;box-shadow:0 4px 12px rgba(0,122,51,0.3)}footer{background-color:var(--surface-strong);color:#94a3b8;border-top:4px solid var(--primary-color)}footer a{color:#cbd5e1;text-decoration:none;transition:var(--transition-smooth)}footer a:hover{color:#ffffff}